Anti-blocking bouncing type sewer plug

Abstract

The utility model relates to an anti-blocking bouncing type drainage plug which comprises a plug body, and the plug body is composed of an elastic push rod, an elastic plug, a sealing ring, a sealing cover and a spring. The spring is arranged in a blind hole of the elastic push rod, the elastic push rod is axially inserted into a connecting hole of the elastic plug, the elastic push rod and the elastic plug can axially and elastically move, the sealing cover is installed at the other end of the elastic plug in a threaded connection mode, and the sealing ring is arranged on the circumference, adjacent to the elastic plug, of the sealing cover and plays a good sealing role. Axial positioning can be achieved through displacement of the elastic push rod relative to the elastic plug, a supporting device is arranged at one end of the elastic push rod, three extending strips are evenly distributed in the circumferential direction of the supporting device, and the plug can be effectively supported and stabilized in practical application. The problems of sewer blockage and small thermal deformation are effectively solved, and the bouncing type convenient operation effect is achieved.

Description

Technical Field

[0001] This application relates to the field of drainage devices, and in particular to an anti-clogging, spring-loaded drain plug. Background Technology

[0002] Drain plugs are used for drain openings in various sinks. A typical drain plug has a pop-up design. When pressed down, the cap of the drain plug and the main body of the drain plug fit together and lock in place, closing the drain opening and preventing water from draining downwards. When pressed down again, the cap of the drain plug pops up, opening the drain channel and allowing water to drain downwards from the sink.

[0003] Regarding the aforementioned technologies, the inventors believe that the following drawbacks exist: 1. The part where the bottom of the drain plug contacts the connecting sleeve of the lower end of the drain pipe is circular, which makes it very easy for hair or other debris to stick together, causing poor drainage. In addition, uneven heating of the circular ring can easily cause deformation, and the rate of defective products is relatively high; 2. The contact surface between the three radial positioning flashes of the elastic element and the inner wall of the sleeve is very long. After thermal deformation or interference from foreign objects, it is very easy to cause the spring to malfunction. Utility Model Content

[0004] To address the issues of drain plugs being easily clogged by debris and malfunctioning during operation, this application provides an anti-clogging, spring-loaded drain plug.

[0005] The anti-clogging, spring-loaded drain plug provided in this application adopts the following technical solution:

[0006] An apparatus comprising a plug body, the plug body comprising an elastic push rod, an elastic plug, a sealing ring, a cap, and a spring;

[0007] The spring is installed in the blind hole of the elastic push rod, the elastic push rod is axially inserted into the connecting hole of the elastic plug, and the elastic push rod and the elastic plug are axially elastically displaced.

[0008] The other end of the elastic plug is provided with a cap, and the cap is screwed to the elastic plug.

[0009] A sealing ring is provided on the circumference of the cap adjacent to the elastic plug;

[0010] The elastic push rod can be axially positioned relative to the elastic plug.

[0011] One end of the elastic push rod is provided with a support device, and the support device has three extension strips evenly distributed around its circumference.

[0012] By adopting the above technical solutions, the axial elastic displacement design of the elastic push rod and the elastic plug ensures a certain degree of adaptability during plug installation. It can be flexibly adjusted according to different installation environments and pressure conditions. The application of springs effectively enhances the restoring force of the elastic push rod, allowing the plug to automatically return to its original state when pressure is lost, ensuring the durability and stability of the sealing effect. The cap and the elastic plug are screwed together, allowing the plug to be tightly sealed, preventing external factors such as dust and moisture from entering, effectively avoiding damage or contamination of the sealing part. The setting of the sealing ring enhances the sealing performance of the plug and improves the anti-leakage capability. The axial positioning function of the elastic push rod relative to the elastic plug ensures that the plug is not prone to positional displacement during use, ensuring the stability and sealing effect of the plug. The addition of the support device not only enhances the structural stability of the plug, but also increases the contact surface between the plug and the interface through three evenly distributed extension strips, further improving the sealing performance and dispersing the pressure, avoiding local excessive force that could lead to sealing failure, and eliminating drainage obstruction caused by foreign matter retention.

[0013] Optionally, the elastic push rod includes a main body, and the outer circumference of the main body is provided with a plurality of outwardly protruding positioning strips;

[0014] The main body has a blind hole inside, and an extension strip is provided at the end of the main body opposite to the opening of the blind hole. A support device is provided at the end of the extension strip away from the main body.

[0015] By adopting the above technical solution, the outer circumference of the main body of the elastic push rod is provided with several outwardly protruding positioning strips, which enable the push rod to be accurately positioned during assembly, ensuring its stability and preventing displacement. The blind hole inside the main body is combined with the extension strip, which gives the push rod a stronger structural support capacity and enhances its stability and durability under stress. The support device design of the extension strip away from the main body effectively disperses the pressure, further improves the support effect of the push rod, and ensures the continuous reliability of the sealing function.

[0016] Optionally, the support device includes a central main shaft with three radially distributed extension strips on the outer circumference of the main shaft, the other end of which extends outward radially.

[0017] By adopting the above technical solution, the support device enhances the stability and load-bearing capacity of the structure. Three extension strips are evenly distributed on the outer circumference of the main shaft, which enables the support device to evenly distribute the external force acting on it, avoid local stress concentration, provide more space for the drainage channel, avoid interference or adhesion of foreign objects, reduce the manufacturing defect rate, and reduce the probability of heat deformation.

[0018] Optionally, the outer end of the extension strip of the support device is provided with a groove, and a sealing strip is embedded in the groove.

[0019] By adopting the above technical solution, flexible contact and flexible connection are provided, thus extending the service life.

[0020] Optionally, the elastic plug includes a plug body, the plug body is provided with a connecting hole, and the circumferential wall of the connecting hole is evenly distributed with a plurality of positioning grooves. The number and size of the positioning grooves are the same as those of the positioning strips, and the positioning strips are inserted into the positioning grooves and can move axially.

[0021] Several positioning pieces are evenly distributed axially on the outer circumference of the plug body. Each positioning piece has an oblique angle at both ends, and a straight edge is left in the middle of the oblique angles on both sides. The included angle of the oblique angles on both sides is α.

[0022] By adopting the above technical solution, the elastic plug and elastic push rod are circumferentially positioned, eliminating the phenomenon of circumferential rotation. The straight edge of the positioning plate in contact with the inner wall of the drain sleeve is relatively short, eliminating the problem of easy bouncing failure caused by heat deformation or interference from foreign objects.

[0023] Optionally, the elastic plug has an extension head at the end opposite to the opening end of the connection hole. The extension head has a straight groove at any position on its circumference. The straight groove is open inside and out and is fixed to one end of the spring by a hook.

[0024] By adopting the above technical solution, the two ends of the spring are made to abut against each other and fixed at the other end, thus forming a continuous restoring force.

[0025] Optionally, the cover has an inner groove, the width of which matches the width of the sealing ring.

[0026] By adopting the above technical solution, the seal between the cover and the end face of the drain sleeve is achieved, thus closing the drain channel.

[0027] Optionally, the spring is a compression spring.

[0028] By adopting the above technical solution, the cap can be elastically opened between itself and the end face of the drain sleeve, or closed by pressing down against the spring force.

[0029] In summary, this application includes at least one of the following beneficial technical effects:

[0030] 1. Enhanced sealing performance: The design of the elastic push rod, elastic plug, sealing ring and cap ensures the sealing between the plug and the drain sleeve, effectively preventing the entry of water, dust and other pollutants, and avoiding damage or contamination of the sealing parts.

[0031] 2. High adaptability: The axial elastic displacement design of the elastic push rod and elastic plug allows the plug to be flexibly adjusted according to different installation environments and pressure conditions, providing better adaptability and resilience.

[0032] 3. Structural stability and support: The support device effectively disperses external forces through the design of three evenly distributed extension strips and the main shaft, enhances the stability of the plug structure, enlarges the drainage space, avoids blockage or retention of foreign objects, and reduces the rate of defective products.

[0033] 4. Anti-clogging function: The outer end of the extension strip of the support device is provided with a groove and a sealing strip, which provides flexible contact and connection function, extends service life, reduces foreign object retention, and ensures unobstructed drainage.

[0034] 5. Improved positioning accuracy: The positioning strip design on the outer circumference of the elastic push rod body ensures precise assembly, avoids push rod position deviation, enhances stability, and ensures the reliability of the plug.

[0035] 6. Elastic reset function: The spring design allows the plug to automatically return to its original state when pressure is lost, ensuring a continuous sealing effect. The straight groove design with hook-type fixing improves the spring's reset force.

[0036] 7. High-efficiency sealing performance: The inner groove of the cap works in conjunction with the sealing ring to achieve a seal between the cap and the end face of the drain sleeve, further enhancing the sealing performance of the plug.

[0037] 8. Heat and Interference Resistance: The design of the positioning plate, combined with the contact with the inner wall of the drain sleeve, eliminates the problem of bounce failure caused by heat deformation or foreign object interference, ensuring the long-term stable use of the plug. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of an anti-clogging, spring-loaded drain plug according to this application.

[0039] Figure 2 yes Figure 1 Perspective view.

[0040] Figure 3 yes Figure 1 A schematic diagram of a medium-elasticity push rod.

[0041] Figure 4 yes Figure 3 The left view.

[0042] Figure 5 yes Figure 3 The right view.

[0043] Figure 6 yes Figure 1 A schematic diagram of a medium-elastic plug.

[0044] Figure 7 yes Figure 6 The right view.

[0045] Explanation of reference numerals in the attached drawings: 10. Plug body; 1. Elastic push rod; 101. Main body; 1011. Blind hole; 102. Extension strip; 103. Support device; 104. Positioning strip; 105. Sealing strip; 2. Elastic plug; 201. Plug body; 202. Positioning piece; 203. Connecting hole; 204. Positioning groove; 205. Extension head; 3. Sealing ring; 4. Cover; 401. Inner groove; 5. Spring. Detailed Implementation

[0046] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0047] This application discloses an anti-clogging, bouncing drain plug.

[0048] Example 1

[0049] Reference Figures 1-7 The plug body 10 includes an elastic push rod 1, an elastic plug 2, a sealing ring 3, a cap 4, and a spring 5. The spring 5 is installed in the blind hole 1011 of the elastic push rod 1. The elastic push rod 1 is axially inserted into the connecting hole 203 of the elastic plug 2, and the elastic push rod 1 and the elastic plug 2 are axially elastically displaced. The other end of the elastic plug 2 is provided with a cap 4, which is screwed to the elastic plug 2. A sealing ring 3 is provided on the circumference of the cap 4 adjacent to the elastic plug 2. The elastic push rod 1 can be axially positioned relative to the elastic plug 2. One end of the elastic push rod 1 is provided with a support device 1. 03. The support device 103 has three circumferentially distributed extension strips. Through contact with the drain sleeve, it reduces the problem of plug bouncing failure caused by thermal deformation or foreign object interference. The anti-clogging bouncing drain plug realizes convenient opening or closing of the drain channel through the axial elastic displacement structure of the elastic push rod 1 and the elastic plug 2. The support device disperses external pressure through the three evenly distributed extension strips, enhances the structural stability of the plug, avoids excessive local stress that may cause the plug to deform or be damaged, has a low probability of thermal deformation, enlarges the drain space, and ensures stable contact connection.

[0050] Example 2:

[0051] Reference Figures 1-7 The elastic plug 2 has an extension head 205 at the end opposite to the opening end of the connecting hole 203. The extension head 205 has multiple straight grooves around its circumference, which are connected inside and out and are hooked to one end of the spring 5. This allows the spring 5 to be fixed at both ends, with one end in contact and the other end hooked, forming a continuous reset elastic force. This further enhances the reset function of the plug and ensures that the plug can automatically return to its original position when the pressure is lost.

[0052] Reference Figure 4 , Figure 5The main shaft of the support device 103 has three extension strips evenly distributed around its outer circumference. The other end of the extension strips extends outward radially, providing a larger contact surface, further improving the sealing performance, and dispersing the pressure from the drain channel. This avoids deformation or damage to the plug caused by excessive pressure, saves material costs, and also improves the stability of the contact.

[0053] The implementation principle of the anti-clogging spring-loaded drain plug in this application embodiment is as follows: the elastic push rod and the elastic plug are axially assembled and can elastically displace when subjected to external pressure, effectively sealing or opening the drain channel, preventing blockage while ensuring smooth flow of the drain channel. The support device 103 provides stronger support through three evenly distributed extension strips, increases the drain channel, stabilizes the resistance support, prevents deformation caused by heat or external force, and reduces the defect rate of production.

[0054] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A clog-resistant, spring-loaded drain plug, comprising a plug body (10), characterized in that: The plug body (10) includes an elastic push rod (1), an elastic plug (2), a sealing ring (3), a cap (4), and a spring (5); The spring (5) is installed in the blind hole (1011) of the elastic push rod (1), the elastic push rod (1) is axially inserted into the connecting hole (203) of the elastic plug (2), and the elastic push rod (1) and the elastic plug (2) are axially elastically displaced; The other end of the elastic plug (2) is provided with a cap (4), and the cap (4) is screwed to the elastic plug (2); A sealing ring (3) is provided on the circumference of the cover (4) adjacent to the elastic plug (2); The elastic push rod (1) can be axially positioned relative to the elastic plug (2); One end of the elastic push rod (1) is provided with a support device (103), and the support device (103) has three extension strips evenly distributed around its circumference.

2. The anti-clogging, spring-loaded drain plug according to claim 1, characterized in that: The elastic push rod (1) includes a main body (101), and the outer circumference of the main body (101) is provided with several outwardly protruding positioning strips (104); The main body (101) is provided with a blind hole (1011), and an extension strip (102) is provided at the end opposite to the opening of the blind hole (1011) of the main body (101). A support device (103) is provided at the end of the extension strip (102) away from the main body (101).

3. The anti-clogging, spring-loaded drain plug according to claim 2, characterized in that: The support device (103) includes a central main shaft, with three extension strips evenly distributed radially around the outer circumference of the main shaft, and the other end of the extension strips extending radially outward.

4. The anti-clogging, spring-loaded drain plug according to claim 3, characterized in that: The outer end of the extension strip of the support device (103) is provided with a groove, and a sealing strip (105) is embedded in the groove.

5. The anti-clogging, spring-loaded drain plug according to claim 1, characterized in that: The elastic plug (2) includes a plug body (201), the plug body (201) is provided with a connecting hole (203), and the circumferential wall of the connecting hole (203) is evenly distributed with a plurality of positioning grooves (204). The number and size of the positioning grooves (204) are the same as those of the positioning strips (104). The positioning strips (104) are inserted into the positioning grooves (204) and can move axially. The plug body (201) has several positioning pieces (202) evenly distributed axially on its outer circumference. Both ends of the positioning piece (202) have bevels, and a straight edge is left in the middle of the two bevels. The included angle of the two bevels is α.

6. The anti-clogging, spring-loaded drain plug according to claim 5, characterized in that: The elastic plug (2) has an extension head (205) at the end opposite to the opening end of the connecting hole (203). The extension head (205) has a straight groove at any position on its circumference. The straight groove is connected inside and out and is fixed to one end of the spring (5) by hook.

7. The anti-clogging, spring-loaded drain plug according to claim 1, characterized in that: The cover (4) is provided with an inner groove (401), the width of which is consistent with the width of the sealing ring (3).

8. The anti-clogging, spring-loaded drain plug according to claim 1, characterized in that: The spring (5) is a compression spring.

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